Prevalence: the percentage of a population that is affected with a particular disease or condition.
Prevalence is often discussed in relationship to Migraine and other headache disorders. Example: The prevalence of Migraine in the total population of the United States is 12%. The prevalence among women is 18%.
For more terms, see our Migraine and Headache Glossary.
© Teri Robert, 2010
Last updated June 13 2010
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